Bhakti-Yoga:the path of systematised devotion for the
attainment of union with the Absolute. The easiest and surest path to religion
or realisation.

Dhâranâ: steadfast concentration. Dhyâna: meditation. Guru: one who is born from time to time as a repository of
spiritual force which he transmits to future generations through successive
links of Guru and Shishya.knowledge:true philosopher.

Prânâyama: suspending, restraining, and controlling of the
breath.

Pratyâhâra:restraint of the organs of sense from all
outward things, and directing them entirely to mental impressions.